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DS17885SN3 查看數據表(PDF) - Maxim Integrated
零件编号
产品描述 (功能)
生产厂家
DS17885SN3
Real-Time Clocks
Maxim Integrated
DS17885SN3 Datasheet PDF : 31 Pages
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DS17285/DS17287/
DS17485/DS17487/
DS17885/DS17887
Table 5. Extended Bank Register Bank Definition
Bank 0
DV0 = 0
00h
00h
Timekeeping and Control
0Dh
0Dh
0Eh
0Eh
50 Bytes – User RAM
3Fh
3Fh
40h
40h
41h
42h
43h
44h
45h
46h
47h
48h
49h
4Ah
4Bh
4Ch
4Dh
4Eh
4Fh
64 Bytes – User RAM
50h
51h
52h
53h
54h
55h
56h
57h
58h
59h
5Ah
5Bh
5Ch
5Dh
5Eh
5Fh
7Fh
7Fh
Note:
Reserved bits can be written to any value, but always read back as zeros.
Real-Time Clocks
Bank 1
DV0 = 1
Timekeeping and Control
50 Bytes – User RAM
Model Number Byte
1st Byte Serial Number
2nd Byte Serial Number
3rd Byte Serial Number
4th Byte Serial Number
5th Byte Serial Number
6th Byte Serial Number
CRC Byte
Century Byte
Date Alarm
Extended Control Register 4A
Extended Control Register 4B
Reserved
Reserved
RTC Address – 2
RTC Address – 3
Extended RAM Address LSB
Extended RAM Address MSB
Reserved
Extended RAM Data Port
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
RTC Write Counter
Reserved
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